package com.cragon.observer;

import java.util.Observable;
import java.util.Observer;

/**
 * @Description: TODO
 * @Author: ZHOUHAILONG
 * @Date: 2020年07月31日 10:05
 */
public class Watcher implements Observer {
	@Override
	public void update(Observable o, Object arg) {
		System.out.println("Watcher: " + o + "_" + arg);
	}
}
